PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/09-22:12:50
G10     256.9          30.8               14.3 +/-    1.17      24.6 +/-    1.17  0.070 / 0.100
G13     48.8           27.2               11.5 +/-    1.32      21.4 +/-    1.32  0.060 / 0.080
G15     73.8           55.4               14.2 +/-    0.67      16.8 +/-    0.67  0.030 / 0.040
G16     291.7          13.6               10.9 +/-    1.51      28.0 +/-    1.51  0.030 / 0.040
G18     280.8          60.0               13.1 +/-    1.86      14.9 +/-    1.86  0.180 / 0.270
G20     48.0           42.0               11.7 +/-    1.24      16.4 +/-    1.24  0.280 / 0.330
G21     345.4          66.0               13.8 +/-    0.50      14.9 +/-    0.50  0.050 / 0.060
G26     264.4          12.4               13.7 +/-    1.00      36.3 +/-    1.00  0.080 / 0.070
G27     321.4          12.4                9.3 +/-    4.97      24.7 +/-    4.97  0.110 / 0.150
G29     165.0          38.1               13.5 +/-    1.00      20.3 +/-    1.00  0.100 / 0.270